英语词汇frightening的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	frightening
词根词缀	Online Etymology Dictionary frightening adj. 1715, present participle adjective from frighten, v.. Related: Frighteningly.
随便看	insufficiency insufficient -insul- insul insula insular insularism insularity insulate insulation insulator insulin insulino-, insulin-, insula-, insulo-, insul-, isle insul(isol) insult insuperable insupportable insurance insure insurer insurgence insurgency insurgent insurmountable insurrection

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